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var(--line);border-radius:var(--radius);background:var(--surface)}.note-card{padding:14px 16px}.note-card:hover{border-color:#b9d4f4;box-shadow:0 1px 2px #245b9c0d}.note-top{color:var(--text-secondary);align-items:center;gap:8px;font-size:12px;display:flex}.note-top small{color:var(--muted)}.private-tag{border:1px solid var(--line);color:var(--muted);background:#f7f8fa;border-radius:2px;margin-left:auto;padding:2px 6px;font-size:10px}.note-card h2{margin:12px 0 6px;font-size:15px;font-weight:600}.note-card>p{color:var(--text-secondary);margin:0 0 12px;font-size:13px;line-height:1.65}.note-actions{border-top:1px solid var(--line-soft);gap:20px;padding-top:10px;display:flex}.note-actions button{color:var(--muted);align-items:center;gap:4px;font-size:11px;display:flex}.note-actions button:hover{color:var(--primary)}.group-list,.contact-list{overflow:hidden}.group-row,.contact-row{border-bottom:1px solid var(--line-soft);align-items:center;gap:12px;min-height:58px;padding:10px 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solid #c6d0dd;width:min(500px,100vw - 24px);overflow:hidden}.modal-title{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;padding:13px 16px;display:flex}.modal-body{flex-direction:column;gap:12px;padding:16px;display:flex}.empty-state{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);min-height:160px;color:var(--muted);flex-direction:column;justify-content:center;align-items:center;display:flex}.empty-state p{color:var(--text-secondary);margin:9px 0 3px}.empty-state small{font-size:11px}.empty-icon{border:1px solid var(--line);color:#8a94a1;background:#f7f8fa;border-radius:2px;place-items:center;width:38px;height:38px;display:grid}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition:none!important}}@media (max-width:1100px){.brand{min-width:0}.brand span{display:none}.sidebar{width:190px}.main-scroll{left:190px}.course-table-head,.course-table-row{grid-template-columns:minmax(205px,1.9fr) 100px minmax(126px,1fr) 96px 76px 84px;gap:10px}.app-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}@media (max-width:900px){.topbar{gap:12px;padding-inline:14px}.brand-mark,.brand-mark img{height:21px}.brand strong{font-size:17px}.global-search{width:min(310px,42vw)}.top-actions{gap:14px;min-width:0}.account>span:not(.avatar){display:none}.sidebar{width:62px;padding:10px 7px}.nav-group{margin-bottom:8px;padding-bottom:8px}.nav-item{justify-content:center;padding:0}.nav-item>span,.nav-item em{display:none}.main-scroll{left:62px}.course-table-head,.course-table-row{grid-template-columns:minmax(190px,1.8fr) 92px minmax(100px,.9fr) 74px 80px}.course-table-head span:nth-child(3),.course-table-row>.muted-cell{display:none}.row-meta{width:210px}}@media (max-width:680px){body{overflow:auto}.topbar{height:52px;padding:0 12px}.brand-mark{width:auto;height:19px}.brand-mark img{height:19px}.brand strong{font-size:15px}.global-search{display:none}.top-actions{margin-left:auto}.sidebar{border-right:0;border-bottom:1px solid var(--line);width:100%;height:46px;padding:5px 7px;top:52px;bottom:auto;right:0}.sidebar-scroll{scrollbar-width:none;display:flex;overflow:auto hidden}.sidebar-scroll::-webkit-scrollbar{display:none}.nav-group{border:0;margin:0;padding:0;display:flex}.nav-item{gap:0;width:auto;min-width:max-content;height:36px;padding:0 9px}.nav-item>span{font-size:12px;display:inline}.nav-item svg,.nav-item em{display:none}.nav-item.active:before{border-radius:0;width:auto;height:2px;inset:auto 7px 0}.main-scroll{padding-top:98px;position:relative;inset:auto;overflow:visible}.content,.page-heading,.list-heading,.page-header{padding:12px}.page-heading,.page-header{display:block}.term-select{margin-top:10px}.tabs{gap:20px}.list-heading{display:block}.list-controls{flex-wrap:wrap;align-items:stretch;margin-top:10px}.list-controls .page-search,.page-search{width:100%}.header-actions{flex-wrap:wrap;margin-top:10px}.course-table-head{display:none}.course-controls{width:100%;min-width:0;max-width:none}.course-table-row{grid-template-columns:minmax(0,1fr) auto;gap:8px 10px;min-height:0;padding:12px}.course-name-cell{grid-column:1}.course-name-cell small{display:none}.teacher-cell,.course-progress-cell{grid-column:1}.course-status{grid-area:1/2;justify-self:end}.table-action{grid-area:2/2/span 2;justify-self:end}.course-progress-cell{max-width:210px}.data-row{flex-wrap:wrap;align-items:flex-start;padding:10px}.row-icon{width:34px;height:34px}.row-main{min-width:calc(100% - 48px)}.row-meta{flex:1;width:auto}.data-row .dots{display:none}.contact-layout{grid-template-columns:1fr}.contact-layout>aside{flex-direction:row;overflow-x:auto}.contact-layout aside button{min-width:max-content}.app-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.file-head{display:none}.file-row{grid-template-columns:minmax(0,1fr) auto;gap:8px;padding:11px 12px}.file-row>span:nth-child(2),.file-row>span:nth-child(3){display:none}.ai-banner{display:block}.ai-banner .primary-action{margin-top:10px}.form-card label{flex-direction:column;align-items:flex-start;gap:6px}.form-card label input{width:100%}.message-panel{width:min(340px,100vw - 12px);top:52px;right:6px}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property 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